Custom view extending AppCompatAutoComplete. In the default AutoCompleteTextView/AppCompatAutoComplete the suggestion drop-down only after typing in a couple of letters where as ExtendedAutoCompleteTextView shows the suggestion drop-down only by clicking or on touch.
implementation("dev.assemblage:extended-auto-complete:$sdkVersion")replace $sdkVersion with the latest version of the SDK
Declare the view as shown below in the XML file of your activity or fragment.
<dev.assemblage.extendedautocomplete.ExtendedAutoCompleteTextView
android:id="@+id/auto_text_view"
android:layout_width="match_parent"
android:layout_height="48dp"/>
Populate the contents in the dropdown in your Java or Kotlin code as below
ArrayList<String> stringArrayList = new ArrayList<>();
stringArrayList.add("Apple");
stringArrayList.add("Banana");
stringArrayList.add("Cherry");
stringArrayList.add("Dates");
stringArrayList.add("Elderberry");
stringArrayList.add("Fig");
stringArrayList.add("Grapefruit");
ExtendedAutoCompleteTextView extendedAutoCompleteTextView =
(ExtendedAutoCompleteTextView) findViewById(R.id.auto_text_view);
ArrayAdapter<String> adapter =
new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, stringArrayList);
extendedAutoCompleteTextView.setAdapter(adapter);